A116387 - cp's OEIS frontend

A116387 Expansion of 1/(sqrt(1-2x-3x^2)*(2-M(x))), where M(x) is the g.f. of the Motzkin numbers A001006.

n	a(n)
0	1
1	2
2	7
3	22
4	72
5	234
6	763
7	2486
8	8099
9	26372
10	85833
11	279226
12	907946
13	2951066
14	9587981
15	31140034
16	101104048
17	328162170
18	1064856217
19	3454513274
20	11204337056
21	36332719182
22	117795920249
23	381848062066
24	1237615088203
25	4010710218384

[1, 2, 7, 22, 72, 234, 763, 2486, 8099, 26372, 85833, 279226, 907946, 2951066, 9587981, 31140034, 101104048, 328162170, 1064856217, 3454513274, 11204337056, 36332719182, 117795920249, 381848062066, 1237615088203, 4010710218384]

cp's OEIS Frontend

A116387 Expansion of 1/(sqrt(1-2x-3x^2)*(2-M(x))), where M(x) is the g.f. of the Motzkin numbers A001006.

Table of values

List of values

cp's OEIS Frontend

A116387 Expansion of 1/(sqrt(1-2*x-3*x^2)*(2-M(x))), where M(x) is the g.f. of the Motzkin numbers A001006.

Table of values

List of values

A116387 Expansion of 1/(sqrt(1-2x-3x^2)*(2-M(x))), where M(x) is the g.f. of the Motzkin numbers A001006.